gov.sns.tools.optimizer
Class RandomSearchAlgorithm

java.lang.Object
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  +--gov.sns.tools.optimizer.SearchAlgorithm
        |
        +--gov.sns.tools.optimizer.RandomSearchAlgorithm

public class RandomSearchAlgorithm

extends SearchAlgorithm

Constructor Summary

RandomSearchAlgorithm()
Creates a new instance of RandomSearchAlgorithm

Method Summary

protected double	getBestScore() returns the best score after step
java.util.Random	getRandomGenerator() returns random generator instance.
double	getShrinkageFactor() returns the shrinkage factor.
int	getType() returns the type of the algorithm - SearchAlgorithmConstants.
protected boolean	makeStep() make one step in the search.
protected void	reset() reset for searching from scratch; forget history
void	setShrinkageFactor(double shrinkageFactor) sets the shrinkage factor.

Methods inherited from class gov.sns.tools.optimizer.SearchAlgorithm

accept, acceptProxyForFitting, getBestSolutionMap, getNumVariables, getScorer, getVariables, getWantToStop, setScorer, setVariables, setWantToStop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RandomSearchAlgorithm

public RandomSearchAlgorithm()

Creates a new instance of RandomSearchAlgorithm

Method Detail

reset

protected void reset()

reset for searching from scratch; forget history

Specified by:

reset in class SearchAlgorithm

makeStep

protected boolean makeStep()

make one step in the search. It returns ShouldStop boolean.

Specified by:

makeStep in class SearchAlgorithm

getBestScore

protected double getBestScore()

returns the best score after step

Specified by:

getBestScore in class SearchAlgorithm

getType

public int getType()

returns the type of the algorithm - SearchAlgorithmConstants.

Specified by:

getType in class SearchAlgorithm

getRandomGenerator

public java.util.Random getRandomGenerator()

returns random generator instance.

getShrinkageFactor

public double getShrinkageFactor()

returns the shrinkage factor.

setShrinkageFactor

public void setShrinkageFactor(double shrinkageFactor)

sets the shrinkage factor.